<template>
  <div class="swiper-container skuImg-container">
    <div class="swiper-wrapper">
      <div
        class="swiper-slide"
        v-for="(skuImage, index) in skuInfo.skuImageList"
        :key="skuImage.id"
      >
        <img
          :src="skuImage.imgUrl"
          :class="{ active: current === index }"
          @click="handleUrl(index, skuImage.imgUrl)"
        />
      </div>
    </div>
    <div class="swiper-button-next"></div>
    <div class="swiper-button-prev"></div>
  </div>
</template>

<script>
import Swiper from 'swiper'
import { mapGetters } from 'vuex'
export default {
  name: 'ImageList',
  computed: {
    ...mapGetters('detail', ['skuInfo']),
  },
  data() {
    return {
      current: 0,
    }
  },
  watch: {
    skuInfo() {
      this.$nextTick(() => {
        var mySwiper = new Swiper('.skuImg-container', {
          // direction: "vertical", // 垂直切换选项
          // loop: true, // 循环模式选项
          // autoplay: true,
          slidesPerView: 'auto', // 显示几张图片
          spaceBetween: 100, // 两张图片之间的间距

          // 如果需要前进后退按钮
          navigation: {
            nextEl: '.swiper-button-next',
            prevEl: '.swiper-button-prev',
          },
        })
      })
    },
  },
  methods: {
    handleUrl(index, imgUrl) {
      this.current = index
      this.$bus.$emit('get-imgUrl', imgUrl)
    },
  },
}
</script>

<style lang="less" scoped>
.swiper-container {
  height: 56px;
  width: 412px;
  box-sizing: border-box;
  padding: 0 12px;

  .swiper-slide {
    width: 56px;
    height: 56px;

    img {
      width: 100%;
      height: 100%;
      border: 1px solid #ccc;
      padding: 2px;
      width: 50px;
      height: 50px;
      display: block;

      &.active {
        border: 2px solid #f60;
        padding: 1px;
      }

      &:hover {
        border: 2px solid #f60;
        padding: 1px;
      }
    }
  }

  .swiper-button-next {
    left: auto;
    right: 0;
  }

  .swiper-button-prev {
    left: 0;
    right: auto;
  }

  .swiper-button-next,
  .swiper-button-prev {
    box-sizing: border-box;
    width: 12px;
    height: 56px;
    background: rgb(235, 235, 235);
    border: 1px solid rgb(204, 204, 204);
    top: 0;
    margin-top: 0;
    &::after {
      font-size: 12px;
    }
  }
}
</style>
